Missing AuthenticationWeakness · CWE-306

CVE-2025-30035

CRITICAL · 9.0 CVSS v4.0 Published 2026-03-02
Mitigation only
No fix yet — a mitigation exists. There is no fixed release. A documented workaround reduces exposure in the meantime.
See remediation →
95/100
Remediation priority · Urgent
No privileges Zero-click

Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.

NVD · unedited
The vulnerability enables an attacker to fully bypass authentication in CGM CLININET and gain access to any active user account by supplying only the username, without requiring a password or any other credentials. Obtaining a session ID is sufficient for session takeover and grants access to the system with the privileges of the targeted user.

Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.

dbcve analysis · moderate confidence

Critical authentication bypass in CGM CLININET allowing full account access using only a username. Attacker can obtain session takeover with just a session ID, gaining the targeted user's privileges without password or additional credentials.

MitigationApply vendor-supplied patch immediately to remediate the authentication bypass. Until patch is deployed, monitor authentication logs for anomalous session activity and consider restricting network access to the application.

Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.

CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.

From the vector
Attack vector
Adjacent
Complexity
Low
Privileges
None
Authentication
X
User interaction
None
Scope
X

CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.

dbcve checks

Work through these to decide whether this CVE applies to you.

  1. Identify CGM CLININET installation
    Check your system for installed CGM CLININET software - look for the application in your program listings, check for CGM CLININET services running, or identify the web application by its URL path and response headers
    Affected if CGM CLININET is confirmed to be installed
  2. Determine installed version
    Locate the version information for your CGM CLININET installation - this is typically found in the application itself under Help/About, in installation directories, or via software inventory tools
    Affected if The installed version cannot be verified as patched or falls within an unpatched state
  3. Verify remote access exposure
    Determine if the CGM CLININET web interface is accessible from external networks by checking firewall rules, reverse proxy configurations, or network access control lists
    Affected if The application is reachable from untrusted networks without proper network segmentation
  4. Inspect authentication logs for anomalies
    Review CGM CLININET authentication and session logs for unusual login patterns - look for successful authentications without corresponding password verification, session tokens being accepted without proper credential validation, or batch session creation activity
    Affected if Logs show successful authentication events occurring without proper password verification or session tokens being accepted from unauthenticated sources
  5. Check for unauthorized session activity
    Examine active user sessions in the application - look for sessions created at unexpected times, sessions with unusual characteristics, or sessions belonging to users who were not actively working
    Affected if Active sessions exist that were not initiated through normal login procedures with valid credentials

Your environment is affected if CGM CLININET is installed and the authentication bypass vulnerability has not been patched, allowing attackers to hijack any user session without knowing the password.

Generated from the published advisory. Verify against your own configuration.

Check your environment

Paste your version and any relevant configuration and it will be compared against the affected criteria above. Do not include secrets or credentials.

AI-assisted, checked against the advisory. Informational, not a guarantee.

Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.

From vendor data
Mitigation available No clean upgrade yet — mitigate in the meantime
Mitigation

Apply vendor-supplied patch immediately to remediate the authentication bypass. Until patch is deployed, monitor authentication logs for anomalous session activity and consider restricting network access to the application.

Have this fixed Scoped from the published advisory
  • Consultation4.0 h
  • Implementation8.0 h
  • Testing12.0 h
  • Review / QA6.0 h
30.0 hours of engineering $5,120
Get help mitigating

An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $8,192.

Scan for this in your stack

Free · runs locally
dbcve dependency scanner

Check whether your project pulls in CVE-2025-30035 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.

References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2025-30035 in production — separate from our analysis above.

No notes yet

Be the first to add a field note for this CVE — a mitigation you’ve verified, a version caveat, or a link to a working fix. Sign in above to contribute.

What this is

A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.

What belongs here
  • Verified mitigations, workarounds, and config changes
  • Version or environment caveats, and links to real fixes
  • No weaponised exploit code, or anything meant to cause harm
  • No spam, self-promotion, credentials, or personal data